Patents by Inventor Yoshinori Eishima

Yoshinori Eishima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Uninterruptible polyphase AC power supply
    Patent number: 4665322
    Abstract: An uninterruptible polyphase AC power supply equalizes an electric power taken out from a polyphase AC power source, even if unbalanced load is connected to output.
    Type: Grant
    Filed: October 29, 1985
    Date of Patent: May 12, 1987
    Assignee: Nishimu Electronics Industries, Co., Ltd.
    Inventors: Yoshinori Eishima, Yasuhiro Kawata